// dưới đây thấy mismatch → hủy session vừa tạo, không nối node.
// dưới đây thấy mismatch → hủy session vừa tạo, không nối node.
consttoken=++fxRt.startToken;fxRt.starting=true;constctx=getAudioContext();if(!ctx||!ctx.audioWorklet||!masterBus||!masterBus.output||!masterBus.analyser||!masterBus.masterFxGain||!masterBus.masterFxDryGain)return;constchainPayload=chain.map(s=>s.type==='vst3'?{type:'vst3',path:s.path,name:s.name||s.path,preset_b64:s.preset_b64||'',bypass:!!s.bypass||!!(window.currentMasteringSettings||{}).vstBypass}:{type:'builtin',id:s.type,params:s.params&&Object.keys(s.params).length?s.params:{},bypass:!!s.bypass});letst;try{st=awaitwindow.SonicAPI.fxRealtimeStart({fx_chain:chainPayload,sample_rate:ctx.sampleRate||44100});}catch(e){console.warn('[FX RT] start fail:',e);showToast('Không khởi động VST FX realtime: '+(e.message||e),'warning');fxRt.starting=false;return;}if(token!==fxRt.startToken){// Bypass/stop giữa lúc engine đang load chain — hủy session vừa tạo.
consttoken=++fxRt.startToken;fxRt.starting=true;constctx=getAudioContext();if(!ctx||!ctx.audioWorklet||!masterBus||!masterBus.output||!masterBus.analyser||!masterBus.masterFxGain||!masterBus.masterFxDryGain)return;constchainPayload=chain.map(s=>s.type==='vst3'?{type:'vst3',path:s.path,name:s.name||s.path,preset_b64:s.preset_b64||'',bypass:!!s.bypass||!!(window.currentMasteringSettings||{}).vstBypass}:{type:'builtin',id:s.type,params:s.params&&Object.keys(s.params).length?s.params:{},bypass:!!s.bypass});letst;try{st=awaitwindow.SonicAPI.fxRealtimeStart({fx_chain:chainPayload,sample_rate:ctx.sampleRate||44100});}catch(e){console.warn('[FX RT] start fail:',e);showToast('Không khởi động VST FX realtime: '+(e.message||e),'warning');fxRt.starting=false;return;}if(token!==fxRt.startToken){// Bypass/stop giữa lúc engine đang load chain — hủy session vừa tạo.
console.warn('[FX RT] start cancelled mid-flight — session stopped');try{window.SonicAPI.fxRealtimeStop({session_id:st.session_id}).catch(()=>{});}catch(e2){}fxRt.starting=false;return;}fxRt.sessionId=st.session_id;fxRtGuiPushShm();try{awaitctx.audioWorklet.addModule(`${API_BASE_URL}/static/js/sf-fx-realtime.js?v=202608311305`);if(token!==fxRt.startToken){fxRt.starting=false;return;}fxRt.node=newAudioWorkletNode(ctx,'sf-fx-realtime',{numberOfInputs:1,numberOfOutputs:1,outputChannelCount:[2]});constu=newURL(API_BASE_URL);constwsProto=u.protocol==='https:'?'wss://':'ws://';// WS to 'localhost' bi tre ~300ms: Chromium thu ::1 truoc (Windows khong
console.warn('[FX RT] start cancelled mid-flight — session stopped');try{window.SonicAPI.fxRealtimeStop({session_id:st.session_id}).catch(()=>{});}catch(e2){}fxRt.starting=false;return;}fxRt.sessionId=st.session_id;fxRtGuiPushShm();try{awaitctx.audioWorklet.addModule(`${API_BASE_URL}/static/js/sf-fx-realtime.js?v=202608311642`);if(token!==fxRt.startToken){fxRt.starting=false;return;}fxRt.node=newAudioWorkletNode(ctx,'sf-fx-realtime',{numberOfInputs:1,numberOfOutputs:1,outputChannelCount:[2]});constu=newURL(API_BASE_URL);constwsProto=u.protocol==='https:'?'wss://':'ws://';// WS to 'localhost' bi tre ~300ms: Chromium thu ::1 truoc (Windows khong
// co listener IPv6 -> SYN hang ~2s) roi moi fallback 127.0.0.1. Dung
// co listener IPv6 -> SYN hang ~2s) roi moi fallback 127.0.0.1. Dung
// thang 127.0.0.1 (loopback) -> WS open ~5ms. Server chap nhan loopback.
// thang 127.0.0.1 (loopback) -> WS open ~5ms. Server chap nhan loopback.
constwsHost=u.hostname==='localhost'||u.hostname==='::1'?'127.0.0.1'+(u.port?':'+u.port:''):u.host;consttok=localStorage.getItem('sonic_token')||'';constwsUrl=`${wsProto}${wsHost}${st.ws_url}${tok?'?token='+encodeURIComponent(tok):''}`;constws=newWebSocket(wsUrl);fxRt.ws=ws;ws.binaryType='arraybuffer';ws.onopen=()=>{if(token!==fxRt.startToken){try{ws.close();}catch(e){}fxRt.starting=false;return;}fxRt.active=true;fxRt.flushing=false;fxRt.starting=false;fxRt.inQueue=[];// bỏ audio stale sản xuất trước khi WS open (~4s load VST) — hết lag khởi đầu
constwsHost=u.hostname==='localhost'||u.hostname==='::1'?'127.0.0.1'+(u.port?':'+u.port:''):u.host;consttok=localStorage.getItem('sonic_token')||'';constwsUrl=`${wsProto}${wsHost}${st.ws_url}${tok?'?token='+encodeURIComponent(tok):''}`;constws=newWebSocket(wsUrl);fxRt.ws=ws;ws.binaryType='arraybuffer';ws.onopen=()=>{if(token!==fxRt.startToken){try{ws.close();}catch(e){}fxRt.starting=false;return;}fxRt.active=true;fxRt.flushing=false;fxRt.starting=false;fxRt.inQueue=[];// bỏ audio stale sản xuất trước khi WS open (~4s load VST) — hết lag khởi đầu
const_b2=Math.ceil((selectionEnd||0)/_secPerBar);if(_b2>_b1){setBeginBar(_b1);setEndBar(_b2);setNumberBar(_b2-_b1);}},[selectionStart,selectionEnd,bpm]);const[subTabHeight,setSubTabHeight]=useState(96);const[isExporting,setIsExporting]=useState(false);const[exportProgress,setExportProgress]=useState(-1);const[projectName,setProjectName]=useState(()=>localStorage.getItem('sonic_project_name')||'');const[currentProjectId,setCurrentProjectId]=useState(()=>localStorage.getItem('sonic_project_id')||null);const[saveProjectModalOpen,setSaveProjectModalOpen]=useState(false);const[saveAsModalOpen,setSaveAsModalOpen]=useState(false);const[openProjectModalOpen,setOpenProjectModalOpen]=useState(false);consthasAnySolo=tracks.some(t=>t.solo);const[toastMessage,setToastMessage]=useState(null);const[audioDevices,setAudioDevices]=useState([]);const[midiDevices,setMidiDevices]=useState([]);const[selectedMidiInputId,setSelectedMidiInputId]=useState('');constselectedMidiInputIdRef=useRef('');consthandleMidiInputSelect=id=>{setSelectedMidiInputId(id);selectedMidiInputIdRef.current=id;if(window.SonicRecorderManager){window.SonicRecorderManager.setSelectedMidiInputId(id);}};useEffect(()=>{if(navigator.mediaDevices&&navigator.mediaDevices.enumerateDevices){navigator.mediaDevices.enumerateDevices().then(devices=>{setAudioDevices(devices.filter(d=>d.kind==='audioinput'));}).catch(err=>console.log('Enumerate audio devices error:',err));}if(navigator.requestMIDIAccess){navigator.requestMIDIAccess().then(access=>{constinputs=[];functionattachMidiHandler(input){input.onmidimessage=msg=>{// Filter by selected MIDI input device
const_b2=Math.ceil((selectionEnd||0)/_secPerBar);if(_b2>_b1){setBeginBar(_b1);setEndBar(_b2);setNumberBar(_b2-_b1);}},[selectionStart,selectionEnd,bpm]);const[subTabHeight,setSubTabHeight]=useState(96);const[isExporting,setIsExporting]=useState(false);const[exportProgress,setExportProgress]=useState(-1);const[projectName,setProjectName]=useState(()=>localStorage.getItem('sonic_project_name')||'');const[currentProjectId,setCurrentProjectId]=useState(()=>localStorage.getItem('sonic_project_id')||null);const[saveProjectModalOpen,setSaveProjectModalOpen]=useState(false);const[saveAsModalOpen,setSaveAsModalOpen]=useState(false);const[openProjectModalOpen,setOpenProjectModalOpen]=useState(false);consthasAnySolo=tracks.some(t=>t.solo);const[toastMessage,setToastMessage]=useState(null);const[audioDevices,setAudioDevices]=useState([]);const[midiDevices,setMidiDevices]=useState([]);const[selectedMidiInputId,setSelectedMidiInputId]=useState('');constselectedMidiInputIdRef=useRef('');consthandleMidiInputSelect=id=>{setSelectedMidiInputId(id);selectedMidiInputIdRef.current=id;if(window.SonicRecorderManager){window.SonicRecorderManager.setSelectedMidiInputId(id);}};useEffect(()=>{if(navigator.mediaDevices&&navigator.mediaDevices.enumerateDevices){navigator.mediaDevices.enumerateDevices().then(devices=>{setAudioDevices(devices.filter(d=>d.kind==='audioinput'));}).catch(err=>console.log('Enumerate audio devices error:',err));}if(navigator.requestMIDIAccess){navigator.requestMIDIAccess().then(access=>{constinputs=[];functionattachMidiHandler(input){input.onmidimessage=msg=>{// Filter by selected MIDI input device
constselId=selectedMidiInputIdRef.current;if(selId&&selId!=='ALL'&&input.id!==selId)return;console.log(`[DevLog] [Raw MIDI] Received from "${input.name}" (ID: ${input.id}) - Data:`,Array.from(msg.data));if(msg.data.length<3)return;constcmd=msg.data[0]>>4;constpitch=msg.data[1];constrawVel=msg.data[2];// Scale low MIDI velocity naturally (min 1, max 127)
constselId=selectedMidiInputIdRef.current;if(selId&&selId!=='ALL'&&input.id!==selId)return;console.log(`[DevLog] [Raw MIDI] Received from "${input.name}" (ID: ${input.id}) - Data:`,Array.from(msg.data));if(msg.data.length<3)return;constcmd=msg.data[0]>>4;constpitch=msg.data[1];constrawVel=msg.data[2];// Scale low MIDI velocity naturally (min 1, max 127)
constscaledVel=Math.min(127,Math.max(1,Math.round(rawVel)));if(cmd===0x9&&rawVel>0){lastMidiNoteRef.current={pitch,velocity:scaledVel,startTime:performance.now(),length:0};setLastMidiNote({pitch,velocity:scaledVel,length:0,time:Date.now()});activeMidiPitchesRef.current.add(pitch);setActiveMidiPitches(newSet(activeMidiPitchesRef.current));// MIDI Keyboard → Mastering FX Chain (main out): đồng bộ routing
constscaledVel=Math.min(127,Math.max(1,Math.round(rawVel)));// V45.21: ARM piano roll chi hieu luc khi dang o PIANO_ROLL tab
const_prTabNow=(subTabsRef.current||[]).find(function(s){returns.id===activeTabRef.current;});const_isPrTabNow=!!(_prTabNow&&_prTabNow.type==='PIANO_ROLL');if(cmd===0x9&&rawVel>0){lastMidiNoteRef.current={pitch,velocity:scaledVel,startTime:performance.now(),length:0};setLastMidiNote({pitch,velocity:scaledVel,length:0,time:Date.now()});activeMidiPitchesRef.current.add(pitch);setActiveMidiPitches(newSet(activeMidiPitchesRef.current));// MIDI Keyboard → Mastering FX Chain (main out): đồng bộ routing
// mastering + SF NGAY trước khi phát — âm MIDI keyboard hardware
// mastering + SF NGAY trước khi phát — âm MIDI keyboard hardware
// PHẢI qua mastering FX khi chain đang bật (giống keybed; trước
// PHẢI qua mastering FX khi chain đang bật (giống keybed; trước
// đây chỉ keybed ảo gọi __ensureMasteringRouting).
// đây chỉ keybed ảo gọi __ensureMasteringRouting).
varbTracks=activeTracksRef.current||[];// ARM piano roll (sub-tab isArmed, cuc bo) cung tinh nhu ARM
varbTracks=activeTracksRef.current||[];// ARM piano roll (sub-tab isArmed, cuc bo) cung tinh nhu ARM
// track - preview note tu piano roll tab phai toi track dang
// track - preview note tu piano roll tab phai toi track dang
// edit du track main KHONG ARM (ARM piano roll khong truyen).
// edit du track main KHONG ARM (ARM piano roll khong truyen).
varbPrArmed={};try{(subTabsRef.current||[]).forEach(function(s){if(s.type==='PIANO_ROLL'&&s.isArmed&&s.trackId)bPrArmed[s.trackId]=true;});}catch(e){}bTracks.forEach(function(bt){if(!bt.isArmed&&!bPrArmed[bt.id])return;if(window.triggerMidiVuActivity){window.triggerMidiVuActivity(bt.id,scaledVel);}try{heldMidiNotesRef.current[bt.id]=(heldMidiNotesRef.current[bt.id]||0)+1;}catch(err){}try{window.SonicMidiRouter.pushEvent({cmd:'NOTE_ON',channel:bt.id,pitch:pitch,velocity:scaledVel/127,percussion:!!(bt.synth_engine&&bt.synth_engine.soundfont_bank===128),live:true});}catch(e){}});}elseif(window.SonicSF){varallTracks=activeTracksRef.current||[];vararSubs=subTabsRef&&subTabsRef.current?subTabsRef.current.filter(function(s){returns.type==='PIANO_ROLL'&&s.isArmed;}):[];vararmedTracks=allTracks.filter(function(t){returnt.isArmed;});// Piano Roll arming has priority: route to each armed sub-tab's parent track
varbPrArmed={};if(_isPrTabNow){try{(subTabsRef.current||[]).forEach(function(s){if(s.type==='PIANO_ROLL'&&s.isArmed&&s.trackId)bPrArmed[s.trackId]=true;});}catch(e){}}bTracks.forEach(function(bt){if(!bt.isArmed&&!bPrArmed[bt.id])return;if(window.triggerMidiVuActivity){window.triggerMidiVuActivity(bt.id,scaledVel);}try{heldMidiNotesRef.current[bt.id]=(heldMidiNotesRef.current[bt.id]||0)+1;}catch(err){}try{window.SonicMidiRouter.pushEvent({cmd:'NOTE_ON',channel:bt.id,pitch:pitch,velocity:scaledVel/127,percussion:!!(bt.synth_engine&&bt.synth_engine.soundfont_bank===128),live:true});}catch(e){}});}elseif(window.SonicSF){varallTracks=activeTracksRef.current||[];vararSubs=_isPrTabNow&&subTabsRef&&subTabsRef.current?subTabsRef.current.filter(function(s){returns.type==='PIANO_ROLL'&&s.isArmed;}):[];vararmedTracks=allTracks.filter(function(t){returnt.isArmed;});// Piano Roll arming has priority: route to each armed sub-tab's parent track
if(arSubs.length>0){arSubs.forEach(function(as){varasTrk=allTracks.find(function(t){returnt.id===as.trackId;});varasCh=asTrk?assignTrackMidiChannel(asTrk,allTracks):0;varasProg=as.instrumentProgram;varasSe=as.synth_engine;if(window.triggerMidiVuActivity){window.triggerMidiVuActivity(as.trackId,scaledVel);}// Giữ VU theo trường độ: tăng counter note đang giữ
if(arSubs.length>0){arSubs.forEach(function(as){varasTrk=allTracks.find(function(t){returnt.id===as.trackId;});varasCh=asTrk?assignTrackMidiChannel(asTrk,allTracks):0;varasProg=as.instrumentProgram;varasSe=as.synth_engine;if(window.triggerMidiVuActivity){window.triggerMidiVuActivity(as.trackId,scaledVel);}// Giữ VU theo trường độ: tăng counter note đang giữ
// (tick giữ peak cho tới khi note-off)
// (tick giữ peak cho tới khi note-off)
try{heldMidiNotesRef.current[as.trackId]=(heldMidiNotesRef.current[as.trackId]||0)+1;}catch(err){}if(isStandaloneSf()&&isSfTrackEngine(asSe)){playNativeSfNote(asTrk,pitch,scaledVel/127,60000,undefined,'midi_'+as.trackId+'_'+pitch);}elseif(isStandaloneSf()&&isVstTrackEngine(asSe)){playNativeVstNote(asTrk,pitch,scaledVel/127,60000,undefined,'midi_'+as.trackId+'_'+pitch);}else{window.SonicSF.playNote(pitch,scaledVel,60000,undefined,asProg,null,asCh,asSe);}});}// Route to ALL armed tracks (not just the first one)
try{heldMidiNotesRef.current[as.trackId]=(heldMidiNotesRef.current[as.trackId]||0)+1;}catch(err){}if(isStandaloneSf()&&isSfTrackEngine(asSe)){playNativeSfNote(asTrk,pitch,scaledVel/127,60000,undefined,'midi_'+as.trackId+'_'+pitch);}elseif(isStandaloneSf()&&isVstTrackEngine(asSe)){playNativeVstNote(asTrk,pitch,scaledVel/127,60000,undefined,'midi_'+as.trackId+'_'+pitch);}else{window.SonicSF.playNote(pitch,scaledVel,60000,undefined,asProg,null,asCh,asSe);}});}// Route to ALL armed tracks (not just the first one)
// tới click + đứng tại đó (không chạy theo processed anchor cũ 50ms).
// tới click + đứng tại đó (không chạy theo processed anchor cũ 50ms).
startOffsetTimeRef.current=time;setCurrentTime(time);fxRtKeepForRestart=true;// restart/resume — giữ session FX realtime
startOffsetTimeRef.current=time;setCurrentTime(time);fxRtKeepForRestart=true;// restart/resume — giữ session FX realtime
fxRtSeekRestartFlag=true;// V45.18: seek khi play — startTrackPlayback clear_queue mode 'seek' (wipe queue cu + resume nhanh)
fxRtSeekRestartFlag=true;// V45.18: seek khi play — startTrackPlayback clear_queue mode 'seek' (wipe queue cu + resume nhanh)
stopAllPlayback();try{if(window.__fxRtPlayheadFreeze)window.__fxRtPlayheadFreeze(true);}catch(e){}setTimeout(()=>{startAudioTimeRef.current=getAudioContext().currentTime;startTrackPlayback(time);setIsPlaying(true);},50);}else{setCurrentTime(time);}};constsetSelectionWithUndo=(newStart,newEnd,mode)=>{constoldStart=selectionRef.current.start;constoldEnd=selectionRef.current.end;constoldMode=selectionMode;if(oldStart===newStart&&oldEnd===newEnd&&oldMode===mode)return;constentry={type:'SET_SELECTION',scope:'global',label:`Selection`,before:{start:oldStart,end:oldEnd,mode:oldMode},after:{start:newStart,end:newEnd,mode:mode},undo:e=>{setSelectionStart(e.before.start);setSelectionEnd(e.before.end);setSelectionMode(e.before.mode);showToast(`Undo: Selection`,'info');},redo:e=>{setSelectionStart(e.after.start);setSelectionEnd(e.after.end);setSelectionMode(e.after.mode);showToast(`Redo: Selection`,'info');}};if(window.UndoRedoEngine)window.UndoRedoEngine.execute(entry);setSelectionStart(newStart);setSelectionEnd(newEnd);if(mode!==undefined)setSelectionMode(mode);};constsetSelectedItemsWithUndo=newSet=>{constoldSet=selectedItemIdsRef.current;if(oldSet&&newSet&&oldSet.size===newSet.size&&[...oldSet].every(x=>newSet.has(x)))return;constentry={type:'SELECT_ITEMS',scope:'global',label:`Selection`,before:[...oldSet],after:[...newSet],undo:e=>{setSelectedItemIds(newSet(e.before));showToast(`Undo: Selection`,'info');},redo:e=>{setSelectedItemIds(newSet(e.after));showToast(`Redo: Selection`,'info');}};if(window.UndoRedoEngine)window.UndoRedoEngine.execute(entry);setSelectedItemIds(newSet);};constsetAiPromptWithUndo=newText=>{constoldText=aiPrompt;if(oldText===newText)return;constentry={type:'SET_AI_PROMPT',scope:'global',label:`AI Prompt`,before:oldText,after:newText,undo:e=>{setAiPrompt(e.before);showToast(`Undo: AI Prompt`,'info');},redo:e=>{setAiPrompt(e.after);showToast(`Redo: AI Prompt`,'info');}};if(window.UndoRedoEngine)window.UndoRedoEngine.execute(entry);setAiPrompt(newText);};// Gán preset VST3 (.vstpreset từ thư viện storage/presets) vào track:
try{if(window.__fxRtPlayheadFreeze)window.__fxRtPlayheadFreeze(true);}catch(e){}setTimeout(()=>{startAudioTimeRef.current=getAudioContext().currentTime;startTrackPlayback(time);setIsPlaying(true);},50);}else{setCurrentTime(time);}};constsetSelectionWithUndo=(newStart,newEnd,mode)=>{constoldStart=selectionRef.current.start;constoldEnd=selectionRef.current.end;constoldMode=selectionMode;if(oldStart===newStart&&oldEnd===newEnd&&oldMode===mode)return;constentry={type:'SET_SELECTION',scope:'global',label:`Selection`,before:{start:oldStart,end:oldEnd,mode:oldMode},after:{start:newStart,end:newEnd,mode:mode},undo:e=>{setSelectionStart(e.before.start);setSelectionEnd(e.before.end);setSelectionMode(e.before.mode);showToast(`Undo: Selection`,'info');},redo:e=>{setSelectionStart(e.after.start);setSelectionEnd(e.after.end);setSelectionMode(e.after.mode);showToast(`Redo: Selection`,'info');}};if(window.UndoRedoEngine)window.UndoRedoEngine.execute(entry);setSelectionStart(newStart);setSelectionEnd(newEnd);if(mode!==undefined)setSelectionMode(mode);};constsetSelectedItemsWithUndo=newSet=>{constoldSet=selectedItemIdsRef.current;if(oldSet&&newSet&&oldSet.size===newSet.size&&[...oldSet].every(x=>newSet.has(x)))return;constentry={type:'SELECT_ITEMS',scope:'global',label:`Selection`,before:[...oldSet],after:[...newSet],undo:e=>{setSelectedItemIds(newSet(e.before));showToast(`Undo: Selection`,'info');},redo:e=>{setSelectedItemIds(newSet(e.after));showToast(`Redo: Selection`,'info');}};if(window.UndoRedoEngine)window.UndoRedoEngine.execute(entry);setSelectedItemIds(newSet);};constsetAiPromptWithUndo=newText=>{constoldText=aiPrompt;if(oldText===newText)return;constentry={type:'SET_AI_PROMPT',scope:'global',label:`AI Prompt`,before:oldText,after:newText,undo:e=>{setAiPrompt(e.before);showToast(`Undo: AI Prompt`,'info');},redo:e=>{setAiPrompt(e.after);showToast(`Redo: AI Prompt`,'info');}};if(window.UndoRedoEngine)window.UndoRedoEngine.execute(entry);setAiPrompt(newText);};// Gán preset VST3 (.vstpreset từ thư viện storage/presets) vào track:
// preset_id nằm trong synth_engine → render engine tải qua load_preset khi
// preset_id nằm trong synth_engine → render engine tải qua load_preset khi
// worklet vào chain hiện tại (đọc mods MỚI NHẤT — an toàn với rebuild).
// worklet vào chain hiện tại (đọc mods MỚI NHẤT — an toàn với rebuild).
constfxRtTrackStart=async(trackId,track,path)=>{constkey=trackId+':'+path;constchain=fxRtTrackChain(track);if(!chain.length)return;if(fxRtTracks[key]){if(!fxRtTracks[key].node||fxRtTracks[key].node.context!==getAudioContext())fxRtTrackStop(trackId,path,true);elsereturn;}constctx=getAudioContext();if(!ctx||!ctx.audioWorklet)return;constchainPayload=chain.map(s=>s.type==='vst3'?{type:'vst3',path:s.path,name:s.name||s.path,preset_b64:s.preset_b64||'',bypass:!!s.bypass||!!(track&&track.vstFxBypass)}:{type:'builtin',id:s.type,params:s.params&&Object.keys(s.params).length?s.params:{},bypass:!!s.bypass});letst;try{st=awaitwindow.SonicAPI.fxRealtimeStart({fx_chain:chainPayload,sample_rate:ctx.sampleRate||44100});}catch(e){console.warn('[FX RT track] start fail',trackId,path,e);return;}constentry={sessionId:st.session_id,ws:null,node:null,ready:false,path,spliced:null,chainKey:fxRtTrackChainKey(chain)+'|vb:'+(track&&track.vstFxBypass?'1':'0'),paramsBySlot:chain.map(s=>fxRtEntryParams(s,null)),inQueue:[],pumpTimer:null,lastInSent:0,flushing:false,flushTimer:null};fxRtTracks[key]=entry;fxRtGuiPushShm();try{awaitctx.audioWorklet.addModule(`${API_BASE_URL}/static/js/sf-fx-realtime.js?v=202608311305`);constnode=newAudioWorkletNode(ctx,'sf-fx-realtime',{numberOfInputs:1,numberOfOutputs:1,outputChannelCount:[2]});entry.node=node;constu=newURL(API_BASE_URL);constwsProto=u.protocol==='https:'?'wss://':'ws://';// WS to 'localhost' bi tre ~300ms (Chromium thu ::1 truoc roi fallback) - dung 127.0.0.1
constfxRtTrackStart=async(trackId,track,path)=>{constkey=trackId+':'+path;constchain=fxRtTrackChain(track);if(!chain.length)return;if(fxRtTracks[key]){if(!fxRtTracks[key].node||fxRtTracks[key].node.context!==getAudioContext())fxRtTrackStop(trackId,path,true);elsereturn;}constctx=getAudioContext();if(!ctx||!ctx.audioWorklet)return;constchainPayload=chain.map(s=>s.type==='vst3'?{type:'vst3',path:s.path,name:s.name||s.path,preset_b64:s.preset_b64||'',bypass:!!s.bypass||!!(track&&track.vstFxBypass)}:{type:'builtin',id:s.type,params:s.params&&Object.keys(s.params).length?s.params:{},bypass:!!s.bypass});letst;try{st=awaitwindow.SonicAPI.fxRealtimeStart({fx_chain:chainPayload,sample_rate:ctx.sampleRate||44100});}catch(e){console.warn('[FX RT track] start fail',trackId,path,e);return;}constentry={sessionId:st.session_id,ws:null,node:null,ready:false,path,spliced:null,chainKey:fxRtTrackChainKey(chain)+'|vb:'+(track&&track.vstFxBypass?'1':'0'),paramsBySlot:chain.map(s=>fxRtEntryParams(s,null)),inQueue:[],pumpTimer:null,lastInSent:0,flushing:false,flushTimer:null};fxRtTracks[key]=entry;fxRtGuiPushShm();try{awaitctx.audioWorklet.addModule(`${API_BASE_URL}/static/js/sf-fx-realtime.js?v=202608311642`);constnode=newAudioWorkletNode(ctx,'sf-fx-realtime',{numberOfInputs:1,numberOfOutputs:1,outputChannelCount:[2]});entry.node=node;constu=newURL(API_BASE_URL);constwsProto=u.protocol==='https:'?'wss://':'ws://';// WS to 'localhost' bi tre ~300ms (Chromium thu ::1 truoc roi fallback) - dung 127.0.0.1
constwsHost=u.hostname==='localhost'||u.hostname==='::1'?'127.0.0.1'+(u.port?':'+u.port:''):u.host;consttok=localStorage.getItem('sonic_token')||'';constws=newWebSocket(`${wsProto}${wsHost}${st.ws_url}${tok?'?token='+encodeURIComponent(tok):''}`);entry.ws=ws;ws.binaryType='arraybuffer';ws.onopen=()=>{entry.ready=true;entry.inQueue=[];// bỏ audio stale trước khi WS open — hết lag khởi đầu
constwsHost=u.hostname==='localhost'||u.hostname==='::1'?'127.0.0.1'+(u.port?':'+u.port:''):u.host;consttok=localStorage.getItem('sonic_token')||'';constws=newWebSocket(`${wsProto}${wsHost}${st.ws_url}${tok?'?token='+encodeURIComponent(tok):''}`);entry.ws=ws;ws.binaryType='arraybuffer';ws.onopen=()=>{entry.ready=true;entry.inQueue=[];// bỏ audio stale trước khi WS open — hết lag khởi đầu
fxRtTrackSplice(trackId,path);try{(entry.paramsBySlot||[]).forEach((pl,slot)=>pl.forEach(p=>ws.send(JSON.stringify({cmd:'set_param',slot,key:p.key,value:p.value}))));}catch(e){}};ws.onmessage=ev=>{if(typeofev.data==='string'){try{constd=JSON.parse(ev.data);if(d&&d.cmd==='flush_done'){entry.flushing=false;if(entry.flushTimer){clearTimeout(entry.flushTimer);entry.flushTimer=null;}if(entry.node)entry.node.port.postMessage({type:'flush_done'});}}catch(e){}return;}if(!(ev.datainstanceofArrayBuffer)||!entry.node)return;if(entry.flushing)return;// V24: output stale trong luc flush — drop
fxRtTrackSplice(trackId,path);try{(entry.paramsBySlot||[]).forEach((pl,slot)=>pl.forEach(p=>ws.send(JSON.stringify({cmd:'set_param',slot,key:p.key,value:p.value}))));}catch(e){}};ws.onmessage=ev=>{if(typeofev.data==='string'){try{constd=JSON.parse(ev.data);if(d&&d.cmd==='flush_done'){entry.flushing=false;if(entry.flushTimer){clearTimeout(entry.flushTimer);entry.flushTimer=null;}if(entry.node)entry.node.port.postMessage({type:'flush_done'});}}catch(e){}return;}if(!(ev.datainstanceofArrayBuffer)||!entry.node)return;if(entry.flushing)return;// V24: output stale trong luc flush — drop
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